/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | foam-extend: Open Source CFD
   \\    /   O peration     | Version:     4.1
    \\  /    A nd           | Web:         http://www.foam-extend.org
     \\/     M anipulation  | For copyright notice see file Copyright
-------------------------------------------------------------------------------
License
	This file is part of foam-extend.

	foam-extend is free software: you can redistribute it and/or modify it
	under the terms of the GNU General Public License as published by the
	Free Software Foundation, either version 3 of the License, or (at your
	option) any later version.

	foam-extend is distributed in the hope that it will be useful, but
	WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
	General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with foam-extend.  If not, see <http://www.gnu.org/licenses/>.

\*---------------------------------------------------------------------------*/

#include "error.H"

#include "int32.H"
#include "IOstreams.H"

#include <inttypes.h>
#include <sstream>
#include <cerrno>

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

Foam::word Foam::name(const int32_t val)
{
	std::ostringstream buf;
	buf << val;
	return buf.str();
}


// * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //

Foam::Istream& Foam::operator>>(Istream& is, int32_t& i)
{
	token t(is);

	if (!t.good())
	{
		is.setBad();
		return is;
	}

	if (t.isLabel())
	{
		i = int32_t(t.labelToken());
	}
	else
	{
		is.setBad();
		FatalIOErrorIn("operator>>(Istream&, int32_t&)", is)
			<< "wrong token type - expected int32_t, found " << t.info()
			<< exit(FatalIOError);

		return is;
	}

	// Check state of Istream
	is.check("Istream& operator>>(Istream&, int32_t&)");

	return is;
}


int32_t Foam::readInt32(Istream& is)
{
	int32_t val;
	is >> val;

	return val;
}


bool Foam::read(const char* buf, int32_t& s)
{
	char *endptr = nullptr;
	errno = 0;
	intmax_t l = strtoimax(buf, &endptr, 10);
	s = int32_t(l);
	return
		(*endptr == 0) && (errno == 0)
	 && (l >= INT32_MIN) && (l <= INT32_MAX);
}


Foam::Ostream& Foam::operator<<(Ostream& os, const int32_t i)
{
	os.write(label(i));
	os.check("Ostream& operator<<(Ostream&, const int32_t)");
	return os;
}


#if WM_ARCH_OPTION == 32
Foam::Istream& Foam::operator>>(Istream& is, long& i)
{
	return operator>>(is, reinterpret_cast<int32_t&>(i));
}

Foam::Ostream& Foam::operator<<(Ostream& os, const long i)
{
	os << int32_t(i);
	return os;
}
#endif


// ************************************************************************* //
